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Answer to THE DINING PARTY:

The total cost came to** $178. **The cost of the meals
was,**
A**lbacore tuna $14

If no one had ordered the single dish of egg foo yong, there would
have been three each of the other four meals ordered. (No one ordered the
same two meals as another, and no one ordered two of the same meal.)

The only possible combination of orders would have been

diner #1 #2 #3
#4 #5 #6

order **AB AC AD BC
BD CD
**The same number of seafood dishes (

That would have left three orders of dish

But there was one

3 x

2 x

3 x

3 x

1 x

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